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oldlinux-files/docs/interrupts/int-html/rb-3166.htm
2024-02-19 00:23:35 -05:00

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<TITLE>Int 21/AH=65h
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Int 21/AH=65h - DOS 4.0+ internal - COUNTRY-DEPENDENT FILENAME CAPITALIZATION -
AH = 65h
AL = function
A0h capitalize filename character
DL = character to capitalize
Return: DL = capitalized character
A1h capitalize counted filename string
DS:DX - filename string to capitalize
CX = length of string
A2h capitalize ASCIZ filename
DS:DX - ASCIZ filename to capitalize
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<h2>Int 21/AH=65h
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<h3><font color=#C00040>DOS 4.0+ internal - COUNTRY-DEPENDENT FILENAME CAPITALIZATION</font></h3>
<PRE>
AH = 65h
AL = function
A0h capitalize filename character
DL = character to capitalize
<p><b>Return:</b><br>DL = capitalized character
A1h capitalize counted filename string
DS:DX -> filename string to capitalize
CX = length of string
A2h capitalize ASCIZ filename
DS:DX -> ASCIZ filename to capitalize<br>
<p><b>Return:</b><br>CF set on error
AX = error code <a href="javascript:if(confirm('http://www.ctyme.com/intr/rb-0000.htm \n\nThis file was not retrieved by Teleport Pro, because it was unavailable, or its retrieval was aborted, or the project was stopped too soon. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/intr/rb-0000.htm#Table0'" tppabs="http://www.ctyme.com/intr/rb-0000.htm#Table0"></a>(see #01680 at AH=59h/BX=0000h)
CF clear if successful
</PRE>
<p><b>Note:</b>
Nonfunctional in MS-DOS 4.00 through 7.10 (Win98) due to a bug (the
code sets a pointer depending on the high bit of AL, but doesn't
clear the bit before branching by function number). Supported and
functional(!) in Novell DOS 7 (Update 15), as well as PC-DOS 7 and
OS/2 MVDM
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<b>Category: <a href="cat-010.htm" tppabs="http://www.ctyme.com/intr/cat-010.htm">
DOS Kernel</a>
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Int 21h</a>
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